What to Wear Hiking | Layer Up, Skip Cotton, Protect Feet

The question of what to wear hiking has one honest answer: it depends on the weather, the trail, and how hard you plan to push. But the principles stay the same whether you’re walking a flat rail trail or climbing a rocky ridgeline. A moisture-wicking base layer, a warm midlayer, a weatherproof shell, and shoes with real traction will carry you through nearly every condition. REI’s expert advice on choosing hiking clothes covers the same fundamentals — start there for the full breakdown, and read on for the practical version.

The Three-Layer System: Base, Mid, Shell

Layering is how hikers stay comfortable across changing temperatures and exertion levels. The system has three jobs, and each layer does one of them.

• Base layer: Sits against your skin and moves sweat away from your body. Merino wool and synthetic fabrics like polyester do this well.
• Midlayer: Traps warmth when temperatures drop or the wind picks up. A fleece jacket or insulated vest works here.
• Outer shell: Blocks wind, rain, and snow. A waterproof-breathable rain jacket is the standard choice.

The beauty of the system is that you can add or remove layers as conditions change. Start cool, hike uphill, and you’ll peel the midlayer off within minutes; stop for lunch in the shade and you’ll pull it back on.

Why Cotton Is a Hiker’s Worst Fabric

Cotton absorbs sweat and holds it against your skin, which accelerates heat loss and can push you toward dangerous cold stress or hypothermia — even in mild weather. The Washington Trails Association’s hiking clothing guide names cotton as a fabric to avoid for this exact reason. Swap your cotton tee for a synthetic or merino wool shirt, and your cotton socks for wool or synthetic ones. The difference is noticeable the first time you sweat in both.

Footwear: What Actually Matters on the Trail

Footwear should give you support, protection from rocks and roots, and reliable traction on wet and dry surfaces. But you don’t need heavy leather boots for every hike.

For most beginning and moderate trails, sturdy athletic shoes or walking shoes are perfectly adequate. For rocky, uneven, or challenging terrain, hiking boots or trail shoes with thicker soles and good ankle support are the smarter pick. If you’re shopping for a new hiking shirt to complement your setup, our tested roundup of the best backpacking shirts for the trail covers the options that handle sweat and sun well.

Weather Protection: Rain, Sun, and Cold

Weather can change fast on any trail, so pack for the conditions you might face, not just the ones you see at the trailhead.

• Rain: Carry a rain jacket at minimum; add rain pants for very soggy conditions.
• Cold: A warm jacket or fleece layer goes on top of your base layer when temperatures drop.
• Sun: Wear a hat, sunglasses, and sunscreen in every season — even on cloudy days. Sun-protective clothing is worth considering year-round.

The North Face’s guide to what to wear hiking echoes these same essentials, and it’s worth a glance before a trip into unfamiliar terrain.

FAQs

Are hiking boots required for every trail?

No. Sturdy athletic shoes work fine on most beginning and moderate trails. Save hiking boots or trail shoes with thick soles and ankle support for rocky, uneven, or challenging terrain where your feet need extra protection. The best footwear is the pair that fits well and grips the ground you’re actually walking on.

Can I wear jeans on a short easy hike?

Jeans are cotton, which means they absorb sweat and dry slowly. On a short, warm, low-risk walk they might feel fine, but once they get wet — from sweat, rain, or a stream crossing — they stay wet and chill you. For anything beyond a brief stroll, quick-drying synthetic or wool pants are the safer choice.

What should I bring for a day hike in summer?

A moisture-wicking shirt, quick-drying pants or shorts, wool or synthetic socks, and sturdy trail shoes cover the basics. Add a light rain shell, a hat, sunglasses, sunscreen, and a warm midlayer for cooler elevations or sudden weather changes. Carry water and snacks, and consider the Ten Essentials for longer or more remote routes.